Mesh *BKE_mesh_new_nomain_from_curve_displist(Object *ob, ListBase *dispbase)
{
Curve *cu = ob->data;
Mesh *mesh;
MVert *allvert;
MEdge *alledge;
MLoop *allloop;
MPoly *allpoly;
MLoopUV *alluv = NULL;
int totvert, totedge, totloop, totpoly;
bool use_orco_uv = (cu->flag & CU_UV_ORCO) != 0;
if (BKE_mesh_nurbs_displist_to_mdata(ob,
dispbase,
&allvert,
&totvert,
&alledge,
&totedge,
&allloop,
&allpoly,
(use_orco_uv) ? &alluv : NULL,
&totloop,
&totpoly) != 0) {
/* Error initializing mdata. This often happens when curve is empty */
return BKE_mesh_new_nomain(0, 0, 0, 0, 0);
}
mesh = BKE_mesh_new_nomain(totvert, totedge, 0, totloop, totpoly);
mesh->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
memcpy(mesh->mvert, allvert, totvert * sizeof(MVert));
memcpy(mesh->medge, alledge, totedge * sizeof(MEdge));
memcpy(mesh->mloop, allloop, totloop * sizeof(MLoop));
memcpy(mesh->mpoly, allpoly, totpoly * sizeof(MPoly));
if (alluv) {
const char *uvname = "Orco";
CustomData_add_layer_named(&mesh->ldata, CD_MLOOPUV, CD_ASSIGN, alluv, totloop, uvname);
}
MEM_freeN(allvert);
MEM_freeN(alledge);
MEM_freeN(allloop);
MEM_freeN(allpoly);
return mesh;
}
/* allocate and initialize a DualConOutput */
static void *dualcon_alloc_output(int totvert, int totquad)
{
DualConOutput *output;
if (!(output = MEM_callocN(sizeof(DualConOutput), "DualConOutput"))) {
return NULL;
}
output->mesh = BKE_mesh_new_nomain(totvert, 0, 0, 4 * totquad, totquad);
return output;
}
